Hexquadoctium (Hqo)
Hexquadoctium is the systematic name of the theoretical thứ 648 element in the periodic table with a symbol of Hqo and atomic number of 648. Hexquadoctium, also known as element 648, has sáu trăm bốn mươi tám protons in its nucleus, and sáu trăm bốn mươi tám electrons in its shells.